Casper f



'(No Model.)

C. P. SEARCH. SHAFT BEARING.

,890. Patented Nov. 8, 1892.

UNITED STATES PATENT OFFICE.

CASPER F. SEARCH, OF APPLETON, WISCONSIN, ASSIGNOR TO 'IHE APPLE- TONMANUFACTURING COMPANY, OF SAME PLACE.

SHAFT-BEARING.

SPECIFICATION forming part of Letters Patent No. 485,890, dated November8, 1892.

Application tiled February 6, 1892. Serial No. 420.588. (No model.)

To all whom indy concern:

Be it known that I, CASPER F. SEARCH, a citizen of the United States,residing at Appleton, Wisconsin, have invented certain new and usefulImprovements in Shaft-Bearings,

of which the following is a specification.

My invention relates to certain improvements in shaft-bearings forwood-saws. In machines of this character the frame is of' 1o wood inorder to secure alight and cheap construction, as the, machines arefrequently moved from place to place. These frame-timbers are liable toshrink, warp, and sag and throw the shaft out of line with the bearings.

The object of my inventionis to provide an improved bearing for machinesof this character; and to this end it consists in a special constructionof the bearing whereby the same may be readily applied to wood-sawshaving zo an A-frame.

In the accompanying drawings, Figure 1 is a perspective view of' awood-saw having an A- frame with my improved shaft-bearing appliedthereto. Fig. 2 is a plan view of one of said bearings, showing theshaft and frame broken away. Fig. 3 is an elevation of the parts shownin Fig. 2. Fig. 4 is a section on the line 4 4 of` Fig. 2, and Fig. 5 isa section on the line 5 5 of Fig. 2.

3o In the drawings, 1l represents the shaft. The bearing comprises asleeve l2, which may be formed integrally, as shown in Figs. 1 to 5,inclusive, or divided longitudinally, as shown in the latter figure bydot-ted lines.

3 5 This sleeve has a globular central portion 13, which forms the ballof the bearing, and it is provided with a large oil-chamber 14 in itsupper part. This ball fits into a cup or socket in the lower member 15of the box. The upper member or cap-piece is marked 16. These 4o boxmembers have the bolt-apertures 15L 16 to adapt them to be boltedtogether, as shown particularly in Figs. 3 and 5. The cap is providedwith an aperture, as clearly shown, to

admit oil to the chamber 14 and to adapt the 45 u bearing to be appliedto the wood-saw, such as shown in Fig. 1. The lower box member has anintegral flange or web 17, which is transversely apertured and isadapted to be securely clamped between the upper ends of 5o the A-framemembers 1S by means of the through-bolts 19. The parts 1S are socketedat their upper ends to receive the lower part of the box, while the webpasses down between them and is securely clamped by means of the bolt.

My improvements provide a shaft-bearing which will compensate forracking or sagging of the frame without binding or undue friction uponthe shaft. The box can be rigidly 6o secured to the frame and thoroughlubrication is provided for.

I claim- The combination, with the A- frame members socketed at theirupper ends, of a ballbearing and a two-part boX to receive the bearing,said box having its lower member fitted to the socket and provided withan integral flange or web depending between the upper ends of the A-frame members, and a clamp- 7o ing-bolt passing through apertures in theends of said members and in said web, whereby to clamp the partstogether, substantially as described.

CASPER F. SEARCH.

Witnesses:

A. B. WHITMAN, JACOB CRIDER.

